Avengers: Infinity War - Predicting The Entire Plot In 20 Steps
11. Captain America And Black Widow Return, Make The Save
The threat to Vision and Scarlet Witch will be enough to make the Secret Avengers come back out of self-imposed isolation, with Scarlet Witch, Falcon and the artist formerly known as Captain America turning up to make the save in Edinburgh and somehow scaring Proxima Midnight and Corvus Glaive off in the process. How they'll be alerted to the danger remains to be seen, but a sort of secret superhero bleeper system might account for it.
By the look of it, Black Widow manages to disarm Glaive and use his weapon against him, which might actually be the end of him since we can probably quite safely assume that the good guys will get at least a couple of small victories during the film's events.
Nobody on the good team will die here (as other trailer sequences have confirmed), but it's likely that Vision will be badly injured - to the extent that he's rendered mostly useless for any other battles despite how powerful he is.